package javaBase;

import java.util.HashMap;
import java.util.Map;

import com.sun.org.apache.xalan.internal.xsltc.runtime.Hashtable;

public class HashMapAndTable {
	public static void main(String[] args) {
		Map map = new HashMap();
		map.put("1", "1");
		map.put("1", "2");
		map.put(null, null);
		map.put(null, 1);
		map.put(null, 2);
		System.out.println(map.get("1"));
		System.out.println(map.get(null));
	}
}
